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| author | Dhananjay Phadke <dhananjay@netxen.com> | 2009-01-26 12:35:19 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-01-26 12:35:19 -0800 |
| commit | 32ec803348b4d5f1353e1d7feae30880b8b3e342 (patch) | |
| tree | 75eaa48e774ce2807ca78480f2b2763c338aa7fc /drivers/net/netxen | |
| parent | cdff1036492ac97b4213aeab2546914a633a7de7 (diff) | |
| download | linux-32ec803348b4d5f1353e1d7feae30880b8b3e342.tar.gz linux-32ec803348b4d5f1353e1d7feae30880b8b3e342.tar.bz2 linux-32ec803348b4d5f1353e1d7feae30880b8b3e342.zip | |
netxen: reduce memory footprint
o reduce rx ring size from 8192 to 4096.
o cut down old huge lro buffers.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/netxen')
| -rw-r--r-- | drivers/net/netxen/netxen_nic.h | 12 | ||||
| -rw-r--r-- | drivers/net/netxen/netxen_nic_ethtool.c | 5 |
2 files changed, 10 insertions, 7 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index c11c568fd7db..a75a31005fd3 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -146,7 +146,7 @@ #define MAX_RX_BUFFER_LENGTH 1760 #define MAX_RX_JUMBO_BUFFER_LENGTH 8062 -#define MAX_RX_LRO_BUFFER_LENGTH ((48*1024)-512) +#define MAX_RX_LRO_BUFFER_LENGTH (8062) #define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - 2) #define RX_JUMBO_DMA_MAP_LEN \ (MAX_RX_JUMBO_BUFFER_LENGTH - 2) @@ -207,11 +207,11 @@ #define MAX_CMD_DESCRIPTORS 4096 #define MAX_RCV_DESCRIPTORS 16384 -#define MAX_CMD_DESCRIPTORS_HOST (MAX_CMD_DESCRIPTORS / 4) -#define MAX_RCV_DESCRIPTORS_1G (MAX_RCV_DESCRIPTORS / 4) -#define MAX_RCV_DESCRIPTORS_10G 8192 -#define MAX_JUMBO_RCV_DESCRIPTORS 1024 -#define MAX_LRO_RCV_DESCRIPTORS 64 +#define MAX_CMD_DESCRIPTORS_HOST 1024 +#define MAX_RCV_DESCRIPTORS_1G 2048 +#define MAX_RCV_DESCRIPTORS_10G 4096 +#define MAX_JUMBO_RCV_DESCRIPTORS 512 +#define MAX_LRO_RCV_DESCRIPTORS 8 #define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS #define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS #define MAX_RCV_DESC MAX_RCV_DESCRIPTORS diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index c0bd40fcf708..0894a7be0225 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -561,7 +561,10 @@ netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring) } ring->tx_pending = adapter->max_tx_desc_count; - ring->rx_max_pending = MAX_RCV_DESCRIPTORS; + if (adapter->ahw.board_type == NETXEN_NIC_GBE) + ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G; + else + ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G; ring->tx_max_pending = MAX_CMD_DESCRIPTORS_HOST; ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS; ring->rx_mini_max_pending = 0; |